Finding the Fourth Proportional to 10,368,450.45, 15,552,675.68 and 7,177,180.05
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Solution
The fourth proportional to 10,368,450.45, 15,552,675.68 and 7,177,180.05 is: 10,765,770.08
Step by Step Solution
- Step 1: Write the proportion equation
10,368,450.45 : 15,552,675.68 = 7,177,180.05 : x - Step 2: Convert to fraction form
10,368,450.45/15,552,675.68 = 7,177,180.05/x - Step 3: Cross multiply
10,368,450.45x = 15,552,675.68 × 7,177,180.05 - Step 4: Simplify right side
10,368,450.45x = 111,624,353,578,730.28 - Step 5: Solve for x
x = 111,624,353,578,730.28/10,368,450.45 - Step 6: Final answer
x = 10,765,770.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.